16. APPENDIX 5. BLOCK DIAGRAM
LED
FEED Switch
Cutter
Stepping
Moter
Driver
Drawer1
Drawer2
OSC 20MHz
Driver
CPU
Driver
Interface
Reset
Parallel
Centronics compliant
IEEE1284 compliant
Serial
RS-232C compliant
—168 —
—168 —
FLASH
RAM
ROM
G/A
DIP Switch
Paper End
Cover Switch
Paper Near-end
DC 5V
DC 24V
Power
Source
DC 24V 1.8A
AC Adapter
Print Head